Summary of Significant Accounting Policies - Summary of Revenue by Major Source (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customer	$ 3,677,575	$ 3,104,294	$ 7,545,501	$ 5,440,783
Direct to Patient [Member]
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customer	3,056,588	2,300,129	4,908,732	4,027,059
Clinical/Medical Providers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customer	620,987	$ 804,165	1,636,769	$ 1,413,724
License Revenue [Member]
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customer	$ 0		$ 1,000,000